Firewall from GUI enable RELATED,ESTABLISHED

[cheissol]

Hi,
through proxmox GUI is there a way for enable RELATED,ESTABLISHED connection inside a vm, like in follow cmd way ? :

iptables -A INPUT -i eth0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT

Or the only way is through cmd commnads?
Thanks

 

[KingYiTing]

Does anyone know whether the Proxmox VE Firewall supports settings that detect RELATED, ESTABLISHED connections? I didn't find any documents that mentioned this.